KR101149926B1 - 내변형 시효성이 우수한 고강도 라인 파이프용 강관과 고강도 라인 파이프용 강판 및 이들의 제조 방법 - Google Patents

내변형 시효성이 우수한 고강도 라인 파이프용 강관과 고강도 라인 파이프용 강판 및 이들의 제조 방법 Download PDF

Info

Publication number
KR101149926B1
KR101149926B1 KR1020087027177A KR20087027177A KR101149926B1 KR 101149926 B1 KR101149926 B1 KR 101149926B1 KR 1020087027177 A KR1020087027177 A KR 1020087027177A KR 20087027177 A KR20087027177 A KR 20087027177A KR 101149926 B1 KR101149926 B1 KR 101149926B1
Authority
KR
South Korea
Prior art keywords
less
steel pipe
strength steel
steel
pipe
Prior art date
Application number
KR1020087027177A
Other languages
English (en)
Korean (ko)
Other versions
KR20080110663A (ko
Inventor
히토시 아사히
다쿠야 하라
나오키 도이
요시오 데라다
Original Assignee
신닛뽄세이테쯔 카부시키카이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 신닛뽄세이테쯔 카부시키카이샤 filed Critical 신닛뽄세이테쯔 카부시키카이샤
Publication of KR20080110663A publication Critical patent/KR20080110663A/ko
Application granted granted Critical
Publication of KR101149926B1 publication Critical patent/KR101149926B1/ko

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B3/00Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08Making tubes with welded or soldered seams
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/18Submerged-arc welding
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/005Heat treatment of ferrous alloys containing Mn
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226Hot rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/085Cooling or quenching
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/02Rigid pipes of metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/04Tubular or hollow articles
    • B23K2101/06Tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00Materials to be soldered, welded or cut
    • B23K2103/02Iron or ferrous alloys
    • B23K2103/04Steel or steel alloys

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Heat Treatment Of Steel (AREA)
  • Arc Welding In General (AREA)
  • Metal Rolling (AREA)
KR1020087027177A 2006-05-24 2007-05-14 내변형 시효성이 우수한 고강도 라인 파이프용 강관과 고강도 라인 파이프용 강판 및 이들의 제조 방법 KR101149926B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2006-144147 2006-05-24
JP2006144147A JP4969915B2 (ja) 2006-05-24 2006-05-24 耐歪時効性に優れた高強度ラインパイプ用鋼管及び高強度ラインパイプ用鋼板並びにそれらの製造方法
PCT/JP2007/060291 WO2007136019A1 (fr) 2006-05-24 2007-05-14 Tuyau d'acier de haute résistance présentant une excellente insensibilité au vieillissement sous déformation pour tube de canalisation, plaque d'acier de haute résistance pour tube de canalisation et procédés de production de ces derniers

Publications (2)

Publication Number Publication Date
KR20080110663A KR20080110663A (ko) 2008-12-18
KR101149926B1 true KR101149926B1 (ko) 2012-05-30

Family

ID=38723331

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020087027177A KR101149926B1 (ko) 2006-05-24 2007-05-14 내변형 시효성이 우수한 고강도 라인 파이프용 강관과 고강도 라인 파이프용 강판 및 이들의 제조 방법

Country Status (7)

Country Link
US (1) US20090092514A1 (fr)
EP (1) EP2039793A4 (fr)
JP (1) JP4969915B2 (fr)
KR (1) KR101149926B1 (fr)
CN (1) CN101448967B (fr)
BR (1) BRPI0711795B1 (fr)
WO (1) WO2007136019A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102376638B1 (ko) * 2020-11-12 2022-03-22 한국생산기술연구원 강관 성형부의 저온 충격 인성을 개선하기 위한 용접 제어방법 및 이에 의해 제어되는 용접 장치

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5085364B2 (ja) * 2007-02-09 2012-11-28 新日本製鐵株式会社 脆性破壊伝播停止特性と大入熱溶接熱影響部靭性に優れた厚手高強度鋼板の製造方法、及び、脆性破壊伝播停止特性と大入熱溶接熱影響部靭性に優れた厚手高強度鋼板
JP5223317B2 (ja) 2007-12-05 2013-06-26 ソニー株式会社 プリンタ装置及びラミネート方法
JP2009235460A (ja) 2008-03-26 2009-10-15 Sumitomo Metal Ind Ltd 耐震性能及び溶接熱影響部の低温靭性に優れた高強度uoe鋼管
JP5468248B2 (ja) * 2008-12-04 2014-04-09 キヤノン電子株式会社 シャッタ羽根
JP4853575B2 (ja) * 2009-02-06 2012-01-11 Jfeスチール株式会社 耐座屈性能及び溶接熱影響部靭性に優れた低温用高強度鋼管およびその製造方法
JP4700740B2 (ja) * 2009-02-18 2011-06-15 新日本製鐵株式会社 耐サワーラインパイプ用鋼板の製造方法
JP2011006781A (ja) * 2009-05-25 2011-01-13 Nippon Steel Corp 低サイクル疲労特性に優れた自動車足回り部品とその製造方法
EP2612945B1 (fr) * 2010-11-05 2014-04-16 Nippon Steel & Sumitomo Metal Corporation Plaque d'un acier à haute résistance et son procédé de fabrication
JP5131411B2 (ja) * 2011-04-19 2013-01-30 新日鐵住金株式会社 油井用電縫鋼管及び油井用電縫鋼管の製造方法
RU2465343C1 (ru) * 2011-08-31 2012-10-27 Открытое акционерное общество "Магнитогорский металлургический комбинат" Способ производства листов из низколегированной трубной стали класса прочности к56
JP5480215B2 (ja) 2011-09-08 2014-04-23 株式会社神戸製鋼所 引張強さ780MPa以上の低降伏比厚肉円形鋼管用鋼板およびその製造方法、並びに引張強さ780MPa以上の低降伏比厚肉円形鋼管
JP2013204103A (ja) * 2012-03-29 2013-10-07 Jfe Steel Corp 耐座屈性能に優れた低温用高強度溶接鋼管とその製造方法および耐座屈性能に優れた低温用高強度溶接鋼管用鋼板の製造方法
US9303487B2 (en) 2012-04-30 2016-04-05 Baker Hughes Incorporated Heat treatment for removal of bauschinger effect or to accelerate cement curing
RU2492250C1 (ru) * 2012-06-29 2013-09-10 Открытое акционерное общество "Магнитогорский металлургический комбинат" Способ производства листового проката из низколегированной трубной стали класса прочности к65
WO2014086799A1 (fr) 2012-12-03 2014-06-12 Tata Steel Nederland Technology Bv Bande ou tôle d'acier à haute résistance laminée à froid et recuite en continu ayant une bonne aptitude à l'emboutissage profond et procédé pour la production de ladite bande ou tôle d'acier
WO2014143702A2 (fr) * 2013-03-15 2014-09-18 Am/Ns Calvert Llc Aciers pour tube de canalisation et procédé de fabrication
KR101758003B1 (ko) 2013-04-15 2017-07-13 신닛테츠스미킨 카부시키카이샤 열연 강판
JP6347198B2 (ja) * 2014-10-06 2018-06-27 新日鐵住金株式会社 高強度低合金鋼
WO2016132549A1 (fr) 2015-02-20 2016-08-25 新日鐵住金株式会社 Tôle d'acier laminée à chaud
KR101957078B1 (ko) 2015-02-20 2019-03-11 신닛테츠스미킨 카부시키카이샤 열연 강판
WO2016135898A1 (fr) 2015-02-25 2016-09-01 新日鐵住金株式会社 Feuille ou plaque d'acier laminée à chaud
CN107406929B (zh) 2015-02-25 2019-01-04 新日铁住金株式会社 热轧钢板
CN109563580A (zh) 2016-08-05 2019-04-02 新日铁住金株式会社 钢板及镀覆钢板
CN109563586B (zh) 2016-08-05 2021-02-09 日本制铁株式会社 钢板及镀覆钢板
JP6819835B1 (ja) * 2019-03-28 2021-01-27 Jfeスチール株式会社 ラインパイプ用鋼材およびその製造方法ならびにラインパイプおよびその製造方法
CN112575158B (zh) * 2019-09-29 2022-07-29 宝山钢铁股份有限公司 一种高塑性厚规格管线钢板及其制造方法
CN111041362B (zh) * 2019-12-16 2021-05-25 首钢集团有限公司 一种提高非调质螺栓钢包辛格效应的方法
CN114107791B (zh) * 2020-08-31 2023-06-13 宝山钢铁股份有限公司 一种980MPa级全贝氏体型超高扩孔钢及其制造方法
CN114107798A (zh) * 2020-08-31 2022-03-01 宝山钢铁股份有限公司 一种980MPa级贝氏体高扩孔钢及其制造方法
CN114438423A (zh) * 2022-01-11 2022-05-06 日照钢铁控股集团有限公司 一种具有高韧性的管线钢及其制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4521258A (en) 1981-10-31 1985-06-04 Nippon Steel Corporation Method of making wrought high tension steel having superior low temperature toughness
KR100524331B1 (ko) * 2002-05-27 2005-10-28 신닛뽄세이테쯔 카부시키카이샤 저온 인성 및 용접 열영향부 인성이 우수한 고강도 강과그 제조 방법 및 고강도 강관의 제조 방법
KR100558429B1 (ko) 2002-04-09 2006-03-10 신닛뽄세이테쯔 카부시키카이샤 변형 성능이 우수한 고강도 강판, 고강도 강관 및 제조 방법

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS624826A (ja) 1985-07-01 1987-01-10 Kobe Steel Ltd 不安定延性破壊伝播停止特性にすぐれた高強度高靭性ラインパイプ用鋼板の製造方法
JPH07331381A (ja) * 1994-06-06 1995-12-19 Nippon Steel Corp 高強度高靭性継目無鋼管およびその製造法
JP3817887B2 (ja) 1997-02-25 2006-09-06 住友金属工業株式会社 高靭性高張力鋼およびその製造方法
JPH10237583A (ja) * 1997-02-27 1998-09-08 Sumitomo Metal Ind Ltd 高張力鋼およびその製造方法
JP4071906B2 (ja) * 1999-11-24 2008-04-02 新日本製鐵株式会社 低温靱性の優れた高張力ラインパイプ用鋼管の製造方法
JP2001303191A (ja) 2000-04-19 2001-10-31 Nippon Steel Corp 溶接部haz靱性に優れた超高強度ラインパイプ鋼管とその製造方法
JP4171169B2 (ja) * 2000-10-11 2008-10-22 新日本製鐵株式会社 耐低温割れ性に優れたシーム溶接部を有する超高強度鋼管とその製造方法
JP3846246B2 (ja) * 2001-09-21 2006-11-15 住友金属工業株式会社 鋼管の製造方法
JP4507745B2 (ja) * 2003-07-31 2010-07-21 Jfeスチール株式会社 耐歪時効特性に優れた低降伏比高強度高靱性鋼管およびその製造方法
JP4507747B2 (ja) 2003-07-31 2010-07-21 Jfeスチール株式会社 耐歪時効特性に優れた低降伏比高強度高靱性鋼管及びその製造方法
JP4507746B2 (ja) 2003-07-31 2010-07-21 Jfeスチール株式会社 耐歪時効特性に優れた低降伏比高強度高靱性鋼管及びその製造方法
JP4655670B2 (ja) * 2005-02-24 2011-03-23 Jfeスチール株式会社 低降伏比且つ溶接部靭性に優れた高強度溶接鋼管の製造方法
JP5028761B2 (ja) * 2005-07-19 2012-09-19 Jfeスチール株式会社 高強度溶接鋼管の製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4521258A (en) 1981-10-31 1985-06-04 Nippon Steel Corporation Method of making wrought high tension steel having superior low temperature toughness
KR100558429B1 (ko) 2002-04-09 2006-03-10 신닛뽄세이테쯔 카부시키카이샤 변형 성능이 우수한 고강도 강판, 고강도 강관 및 제조 방법
KR100524331B1 (ko) * 2002-05-27 2005-10-28 신닛뽄세이테쯔 카부시키카이샤 저온 인성 및 용접 열영향부 인성이 우수한 고강도 강과그 제조 방법 및 고강도 강관의 제조 방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102376638B1 (ko) * 2020-11-12 2022-03-22 한국생산기술연구원 강관 성형부의 저온 충격 인성을 개선하기 위한 용접 제어방법 및 이에 의해 제어되는 용접 장치

Also Published As

Publication number Publication date
BRPI0711795A2 (pt) 2011-12-06
BRPI0711795B1 (pt) 2018-02-27
US20090092514A1 (en) 2009-04-09
JP4969915B2 (ja) 2012-07-04
CN101448967B (zh) 2011-04-13
EP2039793A4 (fr) 2015-11-04
KR20080110663A (ko) 2008-12-18
CN101448967A (zh) 2009-06-03
EP2039793A1 (fr) 2009-03-25
WO2007136019A1 (fr) 2007-11-29
JP2007314828A (ja) 2007-12-06

Similar Documents

Publication Publication Date Title
KR101149926B1 (ko) 내변형 시효성이 우수한 고강도 라인 파이프용 강관과 고강도 라인 파이프용 강판 및 이들의 제조 방법
EP3042976B1 (fr) Tôle d'acier pour tube de canalisation à paroi épaisse et à haute résistance mécanique ayant d'excellentes caracteristiques de résistance à la corrosion et à l'affaissement, et une ductilité aux basses températures, ainsi que tube de canalisation
JP4671959B2 (ja) 低温靱性に優れた超高強度ラインパイプ用鋼板及び鋼管並びにそれらの製造方法
JP5445720B1 (ja) アレスト性に優れた高強度厚鋼板
US8070887B2 (en) High-strength steel sheet and high-strength steel pipe excellent in deformability and method for producing the same
EP2752499B1 (fr) Tube d'acier soudé par résistance électrique à paroi épaisse et procédé de fabrication de ce dernier
EP2264205B1 (fr) Tôle d'acier à haute résistance présentant une excellente ténacité à basse température, tuyau en acier et procédés pour la production des deux
US20120291907A1 (en) High-strength welded steel pipe and method for producing the same
JP5131715B2 (ja) 低温靭性に優れた高強度ラインパイプ用鋼板及び高強度ラインパイプ用鋼管
JP4072009B2 (ja) 圧潰強度の高いuoe鋼管の製造方法
KR20080060091A (ko) 조관후 강도변화가 작은 스파이럴 강관용 후물 열연 고강도api-x80 급 강재 및 제조방법
JP7262288B2 (ja) 母材と溶接熱影響部の靭性に優れかつ音響異方性の小さい高強度低降伏比厚鋼板およびその製造方法
KR100833035B1 (ko) 변형능이 우수한 고강도 고인성 라인파이프용 강판 및 그제조방법
JP2005281838A (ja) 材質均質性の優れた高強度高靭性熱延鋼帯及びその製造方法
CN111655873B (zh) 管线管用钢材及其制造方法以及管线管的制造方法
JP7048378B2 (ja) 高強度高延性鋼板
JP4523908B2 (ja) 低温靱性に優れた引張強さ900MPa級以上の高強度ラインパイプ用鋼板およびそれを用いたラインパイプならびにそれらの製造方法
JP5157387B2 (ja) 高変形能を備えた厚肉高強度高靭性鋼管素材の製造方法
JPH1180833A (ja) 耐hic性に優れた高強度ラインパイプ用鋼板の製造方法
JP7163777B2 (ja) ラインパイプ用鋼板
JP2020059892A (ja) 油井用電縫鋼管およびその製造方法
JP5020691B2 (ja) 低温靱性に優れた高強度ラインパイプ用鋼板および高強度ラインパイプならびにこれらの製造方法
JPH08199292A (ja) 低温靭性の優れた溶接性高強度鋼
CN111655872B (zh) 管线管用钢材及其制造方法以及管线管的制造方法
JPH09316534A (ja) 低温靭性の優れた溶接性高強度鋼の製造方法

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20150416

Year of fee payment: 4

FPAY Annual fee payment

Payment date: 20160418

Year of fee payment: 5

FPAY Annual fee payment

Payment date: 20170421

Year of fee payment: 6

FPAY Annual fee payment

Payment date: 20180502

Year of fee payment: 7

FPAY Annual fee payment

Payment date: 20190429

Year of fee payment: 8